ENH: Added HashPtrTable construct INew from dictionary

src/OpenFOAM/containers/HashTables/HashPtrTable/HashPtrTable.H

@@ -72,6 +72,11 @@ class HashPtrTable
         template<class INew>
         void read(Istream&, const INew& inewt);
 
+        //- Read from dictionary using given dictionary constructor class
+        template<class INew>
+        void read(const dictionary& dict, const INew& inewt);
+
+
 
 public:
 
@@ -91,6 +96,10 @@ public:
         //- Construct from Istream using default Istream constructor class
         HashPtrTable(Istream&);
 
+        //- Construct from dictionary using default dictionary constructor
+        //  class
+        HashPtrTable(const dictionary& dict);
+
         //- Construct as copy
         HashPtrTable(const HashPtrTable<T, Key, Hash>&);
 

src/OpenFOAM/containers/HashTables/HashPtrTable/HashPtrTableIO.C

@@ -27,6 +27,7 @@ License
 #include "Istream.H"
 #include "Ostream.H"
 #include "INew.H"
+#include "dictionary.H"
 
 // * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * * //
 
@@ -137,6 +138,21 @@ void Foam::HashPtrTable<T, Key, Hash>::read(Istream& is, const INew& inewt)
 }
 
 
+template<class T, class Key, class Hash>
+template<class INew>
+void Foam::HashPtrTable<T, Key, Hash>::read
+(
+    const dictionary& dict,
+    const INew& inewt
+)
+{
+    forAllConstIter(dictionary, dict, iter)
+    {
+        insert(iter().keyword(), inewt(dict.subDict(iter().keyword())).ptr());
+    }
+}
+
+
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
 template<class T, class Key, class Hash>
@@ -154,6 +170,13 @@ Foam::HashPtrTable<T, Key, Hash>::HashPtrTable(Istream& is)
 }
 
 
+template<class T, class Key, class Hash>
+Foam::HashPtrTable<T, Key, Hash>::HashPtrTable(const dictionary& dict)
+{
+    read(dict, INew<T>());
+}
+
+
 // * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //
 
 template<class T, class Key, class Hash>